code: def testReadAndWriteTsvGraph(self):
      path = self.create_tempfile("graph.tsv").full_path
      graph_utils.write_tsv_graph(path, GRAPH)
      read_graph = graph_utils.read_tsv_graph(path)
      self.assertDictEqual(read_graph, GRAPH)
  
file_path: neural-structured-learning/neural_structured_learning/tools/graph_utils_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import copy
  from absl.testing import absltest
  from neural_structured_learning.tools import graph_utils
label_desc: Use image node_id 3 for calling the GraphUtilsTest obj's underlying member method code with example usage: obj.testReadAndWriteTsvGraph() without return types